🇲🇨 Monaco
Constitutional monarchy, hereditary monarchy
Albert II, Prince of Monaco
Monarch · 7,817 days in office
Tenure records
Longest-serving
Rainier III, Prince of Monaco
20,421 days
Shortest-serving
Lucien, Lord of Monaco
6,524 days
Average tenure
12,174 days
Albert II, Prince of Monaco: 36% below average
Recent monarchs by days in office
All monarchs of Monaco
| # | Name | Took office | Left office | Days |
|---|---|---|---|---|
| 6 |  Albert II, Prince of Monaco | Apr 6, 2005 | Incumbent | 7,817 |
| 5 |  Rainier III, Prince of Monaco | May 9, 1949 | Apr 6, 2005 | 20,421 |
| 4 |  Louis II, Prince of Monaco | Jun 26, 1922 | May 9, 1949 | 9,814 |
| 3 |  Albert I, Prince of Monaco | Sep 10, 1889 | Jun 26, 1922 | 11,976 |
| 2 |  Charles III, Prince of Monaco | Jun 20, 1856 | Sep 10, 1889 | 12,135 |
| 1 |  Lucien, Lord of Monaco | Oct 21, 1505 | Sep 1, 1523 | 6,524 |
Officeholder history via Wikidata. Multiple rows for one person indicate separate terms.
Frequently asked questions
- Who is the Monarch of Monaco?
- Albert II, Prince of Monaco has been Monarch of Monaco since Apr 6, 2005.
- Who is the longest-serving Monarch of Monaco?
- Rainier III, Prince of Monaco, with 20,421 days in office.